Two existing methods for solving a class of fuzzy linear programming (FLP) problems involving symmetric trapezoidal fuzzy numbers without converting them to crisp linear programming problems are the ...

In this paper, we propose two new perturbation simplex variants. Solving linear programming problems without introducing artificial variables, each of the two uses the dual pivot rule to achieve ...

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Abstract: Quality-of-service (QoS) routing problem requires the determination of a minimum cost path from a source node s to a destination node t in a data network such that the delay of the path is ...